{"type": "article", "title": "Anthropic Releases Fable 5.1 And Mythos 5.1, Beats Opus 5 On Most Benchmarks", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/anthropic-releases-fable-5-1-and-mythos-5-1-beats-opus-5-on-most-benchmarks", "original_source": "https://officechai.com/ai/fable-5-1-benchmarks/", "published": "2026-09-01T18:10:11+00:00", "accessed": "2026-09-01", "id": "anthropic-releases-fable-5-1-and-mythos-5-1-beats-opus-5-on-most-benchmarks"}